diff --git a/yaml/com/meta/Hardware/Harma.interface.yaml b/yaml/com/meta/Hardware/Harma.interface.yaml
index 5f877e6..e03fada 100644
--- a/yaml/com/meta/Hardware/Harma.interface.yaml
+++ b/yaml/com/meta/Hardware/Harma.interface.yaml
@@ -14,3 +14,17 @@
           The compatible hardware strings for the CPLD on Harma.
       values:
           - name: "LCMXO3LF_4300C"
+
+    - name: SPI
+      description: >
+          The compatible hardware strings for the SPI flash on Harma.
+      values:
+          - name: Host
+
+    - name: VR
+      description: >
+          The compatible hardware strings for the VR on Harma.
+      values:
+          - name: ISL69269
+          - name: XDPE192C3B
+          - name: XDPE19283B